Locking device.



G. F. BRASSLER. LOCKING DEVICE;v

y APPLICATION` FILED 'IAN. 30. 1917.

Patenla o 2 SHEETSAHEET l.)

e. F. BRASSLER.

LOCKING DEVICE. n

I APPLICATION FILED JAN. 30. 1911. v 1,241,914. f Patented 001.21917.

2 SHEETS- SHEET 2- WMZ Tg3.

* @90W F5/daderwith the part to be held against turning2 a second manually controlled lockingl devlcev for locking and unlocking the said firstnamed locking device, and a manually controlled blocking device for blocking and releasing the said second locking device,'the

said second locking device and thev said blocking device having' a keyboard 1n common.

ally controlled vlocking device connected with the part to be held against turning, a

- second manually controlled locking device for locking land unlocking the said `irstnamed locking device, and a manually controlled blocking device for blocking and releasing the said second locking device, the said second locking device and ythe said blocking device having ngerpieces and a keyboard on ywhich thesaid ngerpieces are mounted.

4. A locking device, comprising a manually controlled locking device connected with the part to be held against turning, a..v

second manually controlled llocking device for locking and unlocking the said firstnamed llocking device, `and a manually controlled blocking device for blocking and releasing the said second locking device, the said second locking device and the l said blocking device having fingerpieces andl a keyboard on Which the said ingerpieces vare arranged in irregular order.

5. A locking device, comprising a ratchet Wheel secured to the part to be locked, a locking shaft carrying a dog engaging the said ratchet Wheel, a hand-operated mechanism for turning the said 'locking'shaft to swing the dog in or out of engagement With the said ratchet Wheel, andl a manuallyvcontrolled locking device adapted to be connected With the said locking shaft to lock 3. A locking device, comprising av manu-y V,said dog and providedwith the latter ,against turning by the saidhandoperated means. p

6. A locking device, comprising a ratchet Wheel `secured to the part to be locked, a

locking shaft carrying a' dog engaging the said ratchet Wheel, a hand-operated mechanism forv turning Ythe said locking shaft to swing the dog in or out of engagement with the said ratchet Y Wheel, trigger levers adapted" to engage the said locking shaft to hold the latter against turning, movable s blocking members mounted to turn andk adapted to block and releas'elthe said trig.- ger levers, and a keyboard havingfinger-y pieces connected With the said trigger levers l and the said blocking members to move the said blocking members into or out of blocking position and to vactuate the said triggerl released by the Wheel, a spring-pressed locking lever provided with a hook 'at one end adapted -to engage the said shafty shoulder, a rod connected :With the said locking lever and -provided with a iingerpiece, a blocking eccentric adapted to engage the said locking lever to lock the latter against movement when in. locking engagement with the said shaft shoulder, and two rods connected With the said eccentric on opposite sidesvof its center to `turn the eccentric' into locking or 'eleasing position relative tothe locking ever.

`GJJORGE FRANCIS BRASSLER.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

